Siemens FDA241 Mounting & Installation page 33

Example representation of monitoring for open line and short-circuit when using an input/output module FDCIO222
1 Fire control panel
2 Detector line
3 Input/output module FDCIO222
Building Technologies
Fire Safety
Variant 2 (for aspirating smoke detectors FDA241 or FDA221)
Input/output module used:
Monitoring:
For the monitoring resistors (5), observe the device-specific specifications for the
input/output module used. You will find this information in the example shown with
the input/output module FDCIO222 in document 007023.
firealarmresources.com
Connection to input/output module
FDCIO222
For open line and short-circuit
4a, 4b Monitoring resistors for GPI input
(see chapter 'Configurable 'GPI' input')
5 Monitoring resistors
Installation
4
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2015-05-29